How to: Get order of tabs, save into NSUserDefaults then retrieve - iphone

Question

I have a default UITabBarApplication with default views and tabs... etc. I have eight tabs that have the customizable option, so users can reorder tabs.
How do I get the order of the tabs, save that into NSUserDefaults and retrieve it when the app loads back up. I'd like to see some code examples.
Here is where I'm at so far:
- (void)applicationWillTerminate:(UIApplication *)application {
/*
Called when the application is about to terminate.
See also applicationDidEnterBackground:.
*/
NSMutableArray *vcArray = [NSMutableArray arrayWithCapacity:8];
NSArray *savedViews = tabBarController.viewControllers;
for (UIViewController *theVC in savedViews){
[vcArray addObject:theVC.title];
}
[[NSUserDefaults standardUserDefaults] setObject:vcArray forKey:#"tabLayout"];
}
- (void)tabBar:(UITabBar *)tabBar didEndCustomizingItems:(NSArray *)items changed:(BOOL)changed {
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
NSArray *tabLayout = [defaults arrayForKey:#"tabLayout"];
NSMutableArray *orderedLayout = [NSMutableArray arrayWithCapacity:8];
NSArray *defaultOrder = tabBarController.viewControllers;
for (int i =0; i < 8; i++){
for (UIViewController *theVC in defaultOrder) {
if ([theVC.title isEqualToString:[tabLayout objectAtIndex:i]]) {
[orderedLayout addObject:theVC];
}
}
}
tabBarController.viewControllers = orderedLayout;
}
This code doesn't seem to work in the simulator. I reorder the tabs and hit done then stop the app, but when I hit build and run again the app reverts to default. Why isn't the code above working?
Thanks.

Answer 1

One comment:
NSUserDefaults don't always work with the simulator. If you're doing a new build each time, then of course everything gets reset.
Two suggestions:
put an NSLog in the latter method to make sure that it's being called
build the app to a device, move the tabs around, close the app (completely -- not just in background), open the app again, behold what happens.